/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.admincommandhandlers;

import java.util.NoSuchElementException;
import java.util.StringTokenizer;
import java.util.logging.Logger;

import javolution.text.TextBuilder;
import net.sf.l2j.Config;
import net.sf.l2j.gameserver.ai.CtrlIntention;
import net.sf.l2j.gameserver.datatables.NpcTable;
import net.sf.l2j.gameserver.datatables.SpawnTable;
import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.L2CharPosition;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.L2Spawn;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.actor.instance.L2NpcInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.model.entity.GmAudit;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.NpcHtmlMessage;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.gameserver.templates.L2NpcTemplate;

/**
 * This class handles following admin commands: - show_moves - show_teleport -
 * teleport_to_character - move_to - teleport_character
 * 
 * @version $Revision: 1.3.2.6.2.4 $ $Date: 2005/04/11 10:06:06 $
 */
public class AdminTeleport implements IAdminCommandHandler {
	private static final Logger _log = Logger.getLogger(AdminTeleport.class
			.getName());
	private static final String[] ADMIN_COMMANDS = { "admin_show_moves",
			"admin_show_moves_other", "admin_show_teleport",
			"admin_show_teleport_fort", "admin_teleport_to_character",
			"admin_teleportto", "admin_move_to", "admin_teleport_character",
			"admin_recall", "admin_walk", "admin_explore", "teleportto",
			"recall", "admin_recall_npc", "admin_gonorth", "admin_gosouth",
			"admin_goeast", "admin_gowest", "admin_goup", "admin_godown",
			"admin_tele", "admin_teleto", };
	private static final int REQUIRED_LEVEL = Config.GM_TELEPORT;
	private static final int REQUIRED_LEVEL2 = Config.GM_TELEPORT_OTHER;

	public boolean useAdminCommand(String command, L2PcInstance activeChar) {
		if (!Config.ALT_PRIVILEGES_ADMIN)
			if (!(checkLevel(activeChar.getAccessLevel()) && activeChar.isGM()))
				return false;
		String target = activeChar.getTarget() != null ? activeChar.getTarget()
				.getName() : "no-target";
		new GmAudit(activeChar.getName(), activeChar.getObjectId(), target,
				command);
		if (command.equals("admin_teleto"))
			activeChar.setTeleMode(1);
		if (command.equals("admin_teleto r"))
			activeChar.setTeleMode(2);
		if (command.equals("admin_teleto end"))
			activeChar.setTeleMode(0);
		if (command.equals("admin_show_moves"))
			AdminHelpPage.showHelpPage(activeChar, "teleports.htm");
		if (command.equals("admin_show_moves_other"))
			AdminHelpPage.showHelpPage(activeChar, "tele/other.html");
		else if (command.equals("admin_show_teleport"))
			AdminHelpPage.showHelpPage(activeChar, "tele/fort/fortress.html");
		else if (command.equals("admin_show_teleport_fort"))
			showTeleportCharWindow(activeChar);
		else if (command.equals("admin_recall_npc"))
			recallNPC(activeChar);
		else if (command.equals("admin_teleport_to_character"))
			teleportToCharacter(activeChar, activeChar.getTarget());
		else if (command.startsWith("admin_walk"))
			try {
				String val = command.substring(11);
				StringTokenizer st = new StringTokenizer(val);
				String x1 = st.nextToken();
				int x = Integer.parseInt(x1);
				String y1 = st.nextToken();
				int y = Integer.parseInt(y1);
				String z1 = st.nextToken();
				int z = Integer.parseInt(z1);
				L2CharPosition pos = new L2CharPosition(x, y, z, 0);
				activeChar.getAI().setIntention(
						CtrlIntention.AI_INTENTION_MOVE_TO, pos);
			} catch (Exception e) {
				if (Config.DEBUG)
					_log.info("admin_walk: " + e);
			}
		else if (command.startsWith("admin_move_to"))
			try {
				String val = command.substring(14);
				teleportTo(activeChar, val);
			} catch (StringIndexOutOfBoundsException e) {
				// Case of empty or missing coordinates
				AdminHelpPage.showHelpPage(activeChar, "teleports.htm");
			}
		else if (command.startsWith("admin_teleport_character"))
			try {
				String val = command.substring(25);
				if (activeChar.getAccessLevel() >= REQUIRED_LEVEL2)
					teleportCharacter(activeChar, val);
			} catch (StringIndexOutOfBoundsException e) {
				// Case of empty coordinates
				activeChar.sendMessage("Wrong or no Coordinates given.");
				showTeleportCharWindow(activeChar); // back
				// to
				// character
				// teleport
			}
		else if (command.startsWith("admin_teleportto "))
			try {
				String targetName = command.substring(17);
				L2PcInstance player = L2World.getInstance().getPlayer(
						targetName);
				teleportToCharacter(activeChar, player);
			} catch (StringIndexOutOfBoundsException e) {
			}
		else if (command.startsWith("admin_recall "))
			try {
				String targetName = command.substring(13);
				L2PcInstance player = L2World.getInstance().getPlayer(
						targetName);
				if (activeChar.getAccessLevel() >= REQUIRED_LEVEL2)
					teleportCharacter(player, activeChar.getX(),
							activeChar.getY(), activeChar.getZ());
			} catch (StringIndexOutOfBoundsException e) {
			}
		else if (command.equals("admin_tele"))
			showTeleportWindow(activeChar);
		else if (command.startsWith("admin_go")) {
			int intVal = 150;
			int x = activeChar.getX(), y = activeChar.getY(), z = activeChar
					.getZ();
			try {
				String val = command.substring(8);
				StringTokenizer st = new StringTokenizer(val);
				String dir = st.nextToken();
				if (st.hasMoreTokens())
					intVal = Integer.parseInt(st.nextToken());
				if (dir.equals("east"))
					x += intVal;
				else if (dir.equals("west"))
					x -= intVal;
				else if (dir.equals("north"))
					y -= intVal;
				else if (dir.equals("south"))
					y += intVal;
				else if (dir.equals("up"))
					z += intVal;
				else if (dir.equals("down"))
					z -= intVal;
				activeChar.teleToLocation(x, y, z, false);
				showTeleportWindow(activeChar);
			} catch (Exception e) {
				activeChar
						.sendMessage("Usage: //go<north|south|east|west|up|down> [offset] (default 150)");
			}
		}
		return true;
	}

	public String[] getAdminCommandList() {
		return ADMIN_COMMANDS;
	}

	private boolean checkLevel(int level) {
		return level >= REQUIRED_LEVEL;
	}

	private void teleportTo(L2PcInstance activeChar, String Cords) {
		try {
			StringTokenizer st = new StringTokenizer(Cords);
			String x1 = st.nextToken();
			int x = Integer.parseInt(x1);
			String y1 = st.nextToken();
			int y = Integer.parseInt(y1);
			String z1 = st.nextToken();
			int z = Integer.parseInt(z1);
			activeChar.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
			activeChar.teleToLocation(x, y, z, false);
			SystemMessage sm = new SystemMessage(SystemMessageId.S1_S2);
			sm.addString("You have been teleported to " + Cords);
			activeChar.sendPacket(sm);
		} catch (NoSuchElementException nsee) {
			activeChar.sendMessage("Wrong or no Coordinates given.");
		}
	}

	private void showTeleportWindow(L2PcInstance activeChar) {
		AdminHelpPage.showHelpPage(activeChar, "move.htm");
	}

	private void showTeleportCharWindow(L2PcInstance activeChar) {
		L2Object target = activeChar.getTarget();
		L2PcInstance player = null;
		if (target instanceof L2PcInstance)
			player = (L2PcInstance) target;
		else {
			activeChar.sendPacket(new SystemMessage(
					SystemMessageId.INCORRECT_TARGET));
			return;
		}
		NpcHtmlMessage adminReply = new NpcHtmlMessage(5);
		TextBuilder replyMSG = new TextBuilder(
				"<html><title>Teleport Character</title>");
		replyMSG.append("<body>");
		replyMSG.append("The character you will teleport is "
				+ player.getName() + ".");
		replyMSG.append("<br>");
		replyMSG.append("Co-ordinate x");
		replyMSG.append("<edit var=\"char_cord_x\" width=110>");
		replyMSG.append("Co-ordinate y");
		replyMSG.append("<edit var=\"char_cord_y\" width=110>");
		replyMSG.append("Co-ordinate z");
		replyMSG.append("<edit var=\"char_cord_z\" width=110>");
		replyMSG.append("<button value=\"Teleport\" action=\"bypass -h admin_teleport_character $char_cord_x $char_cord_y $char_cord_z\" width=60 height=15 back=\"sek.cbui94\" fore=\"sek.cbui92\">");
		replyMSG.append("<button value=\"Teleport near you\" action=\"bypass -h admin_teleport_character "
				+ activeChar.getX()
				+ " "
				+ activeChar.getY()
				+ " "
				+ activeChar.getZ()
				+ "\" width=115 height=15 back=\"sek.cbui94\" fore=\"sek.cbui92\">");
		replyMSG.append("<center><button value=\"Back\" action=\"bypass -h admin_current_player\" width=40 height=15 back=\"sek.cbui94\" fore=\"sek.cbui92\"></center>");
		replyMSG.append("</body></html>");
		adminReply.setHtml(replyMSG.toString());
		activeChar.sendPacket(adminReply);
	}

	private void teleportCharacter(L2PcInstance activeChar, String Cords) {
		L2Object target = activeChar.getTarget();
		L2PcInstance player = null;
		if (target instanceof L2PcInstance)
			player = (L2PcInstance) target;
		else {
			activeChar.sendPacket(new SystemMessage(
					SystemMessageId.INCORRECT_TARGET));
			return;
		}
		if (player.getObjectId() == activeChar.getObjectId())
			player.sendPacket(new SystemMessage(
					SystemMessageId.CANNOT_USE_ON_YOURSELF));
		else
			try {
				StringTokenizer st = new StringTokenizer(Cords);
				String x1 = st.nextToken();
				int x = Integer.parseInt(x1);
				String y1 = st.nextToken();
				int y = Integer.parseInt(y1);
				String z1 = st.nextToken();
				int z = Integer.parseInt(z1);
				teleportCharacter(player, x, y, z);
			} catch (NoSuchElementException nsee) {
			}
	}

	/**
	 * @param player
	 * @param x
	 * @param y
	 * @param z
	 */
	private void teleportCharacter(L2PcInstance player, int x, int y, int z) {
		if (player != null) {
			// Common character information
			player.sendMessage("Admin is teleporting you.");
			player.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
			player.teleToLocation(x, y, z, true);
		}
	}

	private void teleportToCharacter(L2PcInstance activeChar, L2Object target) {
		L2PcInstance player = null;
		if (target != null && target instanceof L2PcInstance)
			player = (L2PcInstance) target;
		else {
			activeChar.sendPacket(new SystemMessage(
					SystemMessageId.INCORRECT_TARGET));
			return;
		}
		if (player.getObjectId() == activeChar.getObjectId())
			player.sendPacket(new SystemMessage(
					SystemMessageId.CANNOT_USE_ON_YOURSELF));
		else {
			int x = player.getX();
			int y = player.getY();
			int z = player.getZ();
			activeChar.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
			activeChar.teleToLocation(x, y, z, true);
			activeChar.sendMessage("You have teleported to character "
					+ player.getName() + ".");
		}
	}

	private void recallNPC(L2PcInstance activeChar) {
		L2Object obj = activeChar.getTarget();
		if (obj != null && obj instanceof L2NpcInstance) {
			L2NpcInstance target = (L2NpcInstance) obj;
			int monsterTemplate = target.getTemplate().npcId;
			L2NpcTemplate template1 = NpcTable.getInstance().getTemplate(
					monsterTemplate);
			if (template1 == null) {
				activeChar.sendMessage("Incorrect monster template.");
				_log.warning("ERROR: NPC " + target.getObjectId()
						+ " has a 'null' template.");
				return;
			}
			L2Spawn spawn = target.getSpawn();
			if (spawn == null) {
				activeChar.sendMessage("Incorrect monster spawn.");
				_log.warning("ERROR: NPC " + target.getObjectId()
						+ " has a 'null' spawn.");
				return;
			}
			int respawnTime = spawn.getRespawnDelay();
			target.deleteMe();
			spawn.stopRespawn();
			SpawnTable.getInstance().deleteSpawn(spawn, true);
			try {
				// L2MonsterInstance mob = new
				// L2MonsterInstance(monsterTemplate, template1);
				spawn = new L2Spawn(template1);
				spawn.setLocx(activeChar.getX());
				spawn.setLocy(activeChar.getY());
				spawn.setLocz(activeChar.getZ());
				spawn.setAmount(1);
				spawn.setHeading(activeChar.getHeading());
				spawn.setRespawnDelay(respawnTime);
				SpawnTable.getInstance().addNewSpawn(spawn, true);
				spawn.init();
				SystemMessage sm = new SystemMessage(SystemMessageId.S1_S2);
				sm.addString("Created " + template1.name + " on "
						+ target.getObjectId() + ".");
				activeChar.sendPacket(sm);
				if (Config.DEBUG) {
					_log.fine("Spawn at X=" + spawn.getLocx() + " Y="
							+ spawn.getLocy() + " Z=" + spawn.getLocz());
					_log.warning("GM: " + activeChar.getName() + "("
							+ activeChar.getObjectId() + ") moved NPC "
							+ target.getObjectId());
				}
			} catch (Exception e) {
				activeChar.sendMessage("Target is not in game.");
			}
		} else
			activeChar.sendPacket(new SystemMessage(
					SystemMessageId.INCORRECT_TARGET));
	}
}
